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Subject: Re: [RFC PATCH v2 11/17] sched: Basic tracking of matching tasks
To:     Vineeth Remanan Pillai <vpillai@digitalocean.com>
Cc:     Nishanth Aravamudan <naravamudan@digitalocean.com>,
        Julien Desfossez <jdesfossez@digitalocean.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Aubrey Li <aubrey.intel@gmail.com>, mingo@kernel.org,
        tglx@linutronix.de, pjt@google.com, torvalds@linux-foundation.org,
        linux-kernel@vger.kernel.org, subhra.mazumdar@oracle.com,
        fweisbec@gmail.com, keescook@chromium.org, kerrnel@google.com,
        Aaron Lu <aaron.lwe@gmail.com>,
        Valentin Schneider <valentin.schneider@arm.com>,
        Mel Gorman <mgorman@techsingularity.net>,
        Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Phil Auld <pauld@redhat.com>
References: <20190424204337.22283-1-vpillai@digitalocean.com>
From:   Tim Chen <tim.c.chen@linux.intel.com>
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Message-ID: <d0b63072-62a9-7738-1bfb-04d1370e8915@linux.intel.com>
Date:   Wed, 24 Apr 2019 15:12:36 -0700
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On 4/24/19 1:43 PM, Vineeth Remanan Pillai wrote:
>> A minor nitpick.  I find keeping the vruntime base readjustment in
>> core_prio_less probably is more straight forward rather than pass a
>> core_cmp bool around.
> 
> The reason I moved the vruntime base adjustment to __prio_less is
> because, the vruntime seemed alien to __prio_less when looked as
> a standalone function.

Doing the adjustment in core_prio_less
will save us an extra "if" comparison.  I'm fine either way.

Thx.

Tim 

> 
> I do not have a strong opinion on both. Probably a better approach
> would be to replace both cpu_prio_less/core_prio_less with prio_less
> which takes the third arguement 'bool on_same_rq'?
> 
> Thanks
>